iPhone判断运营商

- (NSString *)getCarrier
{
    NSString *strCarrier = nil;
    CTTelephonyNetworkInfo *networkInfo = [[CTTelephonyNetworkInfo alloc] init];
    CTCarrier *carrier = [networkInfo subscriberCellularProvider];
    if (carrier == nil)
    {
        [networkInfo release];
        return strCarrier;
    }  

    NSString *code = [carrier mobileNetworkCode];
    if (code == nil)
    {
        [networkInfo release];
        return strCarrier;
    }  

    // 根据mobileNetworkCode判断运营商
    if ([code isEqualToString:@"00"] || [code isEqualToString:@"02"] || [code isEqualToString:@"07"])
        strCarrier = @"中国移动";
    else if ([code isEqualToString:@"01"] || [code isEqualToString:@"06"])
        strCarrier = @"中国联通";
    else if ([code isEqualToString:@"03"] || [code isEqualToString:@"05"])
        strCarrier = @"中国电信";
    else if ([code isEqualToString:@"20"])
        strCarrier = @"中国铁通";
    else
        strCarrier = nil;  

    [networkInfo release];  

    return strCarrier;
}  

China - CN

文章转自：http://blog.csdn.net/jiayou8809/article/details/8657974

详细参考：http://en.wikipedia.org/wiki/Mobile_Network_Code

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